Multiple display support matrix
The following table lists the multiple display support matrix for your Latitude 3540.
Table 24. Multiple display support matrix
Graphics Card Direct Graphics Controller
Direct Output Mode
Supported external displays
with computer internal display
on
Supported external
displays with computer
internal display off
Intel UHD Graphics Integrated 3 4
Intel Iris X
e
Graphics Integrated 3 4
NVIDIA GeForce MX550 MS Hybrid 3 4
Hardware security
The following table lists the hardware security of your Latitude 3540.
Table 25. Hardware security
Hardware security
One wedge-shaped lock slot
TPM 2.0 discrete- Not supported for 12th Generation Intel Celeron 7305, 8 MB cache, 5 cores, 5 threads, up to 1.10 GHz
FIPS 140-2 certification for TPM
TCG Certification for TPM (Trusted Computing Group)
Chassis Intrusion Detection
BIOS - TPM clear and/or system boot lock after chassis intrusion detection
RPMC (specify via SPI Flash or eRPMC)
SPI Flash Tamper Detection / Prevention Shunt Circuit
Operating and storage environment
This table lists the operating and storage specifications of your Latitude 3540.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 26. Computer environment
Description Operating Storage
Temperature range
0°C to 35°C (32°F to 95°F) -40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)
90% (non-condensing) 95% (non-condensing)
Vibration (maximum)
*
0.66 GRMS NA
Shock (maximum)
140 G† NA
Altitude range
-15.2 m to 3048 m (-49.8 ft to 10000 ft) -15.2 m to 10668 m (-49.8 ft to 35000
ft)
22 Specifications of Latitude 3540
23 / 28 22 / 26 23 / 28
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